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Concurrent GC

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OPPO Kernel Craftsman
OPPO Kernel Craftsman
Jan 21, 2022 · Mobile Development

Understanding Android ART CC Collector: GC Challenges, Implementation Principles and Performance Optimization

The article thoroughly explains Android ART’s Concurrent Copying (CC) garbage collector—its terminology, correctness and progress requirements, engineering challenges, classic and Android‑specific algorithms, region‑based design with bump‑pointer allocation, performance benefits such as 32% lower heap usage and sub‑millisecond pauses, and its trade‑offs including doubled reserved heap space and migration overhead.

Android ARTCC CollectorConcurrent GC
0 likes · 14 min read
Understanding Android ART CC Collector: GC Challenges, Implementation Principles and Performance Optimization
Java Architecture Diary
Java Architecture Diary
Sep 16, 2021 · Fundamentals

Shenandoah GC’s Concurrent Thread Stack Processing Slashes Pause Times to Sub‑millisecond in JDK 17

This article explains how Shenandoah OpenJDK's new concurrent thread‑stack processing, introduced in JDK 17, dramatically reduces garbage‑collection pause times to sub‑millisecond levels by using stack watermarks, and provides practical configuration guidance and benchmark results.

Concurrent GCGarbage CollectionJDK 17
0 likes · 12 min read
Shenandoah GC’s Concurrent Thread Stack Processing Slashes Pause Times to Sub‑millisecond in JDK 17